Multiple choice

The main chemical substance present in the bones and teeth of animal is

  1. Sodium Chloride

  2. Sugar

  3. Calcium Phosphate

  4. Calcium Sulphate
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Calcium phosphate (hydroxyapatite) is the primary mineral component of vertebrate bones and teeth, providing structural hardness and strength. While bones also contain collagen, the inorganic mineral phase is predominantly calcium phosphate. Sodium chloride is table salt, sugar is organic, and calcium sulfate is gypsum.

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